APA Citation

ESRI. ArcGIS 9: What is ArcGIS 9.1 ? New York: United States of Amirca.

Chicago Style Citation

ESRI. ArcGIS 9: What Is ArcGIS 9.1 ? New York: United States of Amirca.

MLA Citation

ESRI. ArcGIS 9: What Is ArcGIS 9.1 ? New York: United States of Amirca.

Warning: These citations may not always be 100% accurate.